Segment and Geographic Information - Geographic information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets
External revenues	$ 3,634	$ 3,489	$ 3,248
Equipment on operating leases, net and property and equipment, net (included in Other assets)	3,167	2,932
United States
Revenues from External Customers and Long-Lived Assets
External revenues	2,210	2,096	1,879
Equipment on operating leases, net and property and equipment, net (included in Other assets)	2,035	1,925
Canada
Revenues from External Customers and Long-Lived Assets
Equipment on operating leases, net and property and equipment, net (included in Other assets)	523	478
All other
Revenues from External Customers and Long-Lived Assets
External revenues	1,424	1,393	$ 1,369
Equipment on operating leases, net and property and equipment, net (included in Other assets)	$ 609	$ 529